*{
    padding: 0;
    margin: 0;
}
a{
    text-decoration: none;

}
body{
    background-color: #111;
}
.page{
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    overflow-y: scroll;
    /* -webkit 前缀 兼容 Chrome webkit 老的手机可能不支持 
    滚动起来如丝般顺滑
    */
    -webkit-overflow-scrolling: touch;
    z-index: 1;
}
.page_hd{
    padding: 40px;

}
.page_title{
    font-size: 20px;
    text-align: left;
    font-weight: 400;
    color: #fff;
}
.page_desc{
    margin-top: 4px;
    color: rgba(255,255,255,0.5);

}
.page_bd{
    padding: 0;
}

